West Marin marijuana haul valued at up to $5.4 million

The marijuana seized in a West Marin raid this week has an estimated street value of up to $5.4 million, the sheriff's department said Wednesday.

Investigators found 5,400 marijuana plants, up from the initial estimate of 4,500, at three interconnected grow sites off Marshall-Petaluma Road near Soulajule Reservoir, said sheriff's Lt. Barry Heying.

Authorities initially reported that the sites were on Marin Municipal Water District property, but later determined the marijuana was on private ranch land. The property owners are not suspected of wrongdoing, and the sheriff's department is still investigating who the growers were.

One suspected grower stopped near the site was detained on a federal immigration hold while the investigation continues.

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